//
//  NSString+md5.m
//  Edu_iOS2018
//
//  Created by apple on 2018/1/5.
//  Copyright © 2018年 yanyan. All rights reserved.
//

#import "NSString+md5.h"
#import <CommonCrypto/CommonDigest.h>

@implementation NSString (md5)

/*  32位 大写  */
- (NSString *)md5{
    const char *cStr = [self UTF8String];
    unsigned char result [CC_MD5_DIGEST_LENGTH];
    CC_MD5( cStr, (CC_LONG)strlen(cStr), result );
    
    return [NSString stringWithFormat: @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
            result[0], result[1],
            result[2], result[3],
            result[4], result[5],
            result[6], result[7],
            result[8], result[9],
            result[10], result[11],
            result[12], result[13],
            result[14], result[15]
            ];
}

@end
